TY  - RPRT
TI  - [COPD: reflections on cause and course].
AU  - A Pacheco Galván
PY  - 2001
DO  - 10.1016/s0300-2896(01)75119-8
UR  - https://pubmed.ncbi.nlm.nih.gov/11734130/
ID  - 11734130
ER  -